For the 3rd generation, HP gives its ZBook mobile workstations a completely new look and incorporates up-to-date components. Intel Xeon processors, up to 64 GB ECC RAM, the latest Nvidia Quadro graphics solutions, and DreamColor displays encourage power-users to make an upgrade.
http://www.notebookcheck.net/HP-introduces-new-ZBook-mobile-workstations.153880.0.html